NWS Key West

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Last Map Update: Sat, Feb 7, 2026 at 9:26:23 pm EST

Watches, Warnings & Advisories

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Small Craft Advisory

Small Craft Exercise Caution

Island Chain

Marine Winds

Wave Heights

Small Craft Should Exercise Caution for increasing winds, all waters except Florida Bay. Most Keys Waters: W-NW winds generally 10-15 knots, becoming N-NE and increasing to 15-20 knots; most seas 3-5 ft, occasionally 6 ft. Florida Bay: NW winds 10-15 kts, becoming N-NE ~15 kts; bay waters becoming a moderate chop.

TONIGHT... Mostly clear. Lows 55 to 60. West to northwest winds 10 to 15 mph, becoming north to northeast near 15 mph.

Small Craft Should Exercise Caution For Increasing Winds: All Waters, Except Florida Bay! TONIGHT... W-NW moderate breezes, becoming N-NE fresh breezes (Florida Bay: NW moderate breezes, becoming N-NE ~15 kts). Seas: Bay/Gulfside 2-3 ft; W of Marquesas 3-4 ft, occasionally 5 ft; Hawk Channel 1-2 ft; W of Cosgrove 3-4 ft, occasionally 5 ft; FL Straits 3-5 ft, occasionally 6 ft; SE Gulf 4-5 ft, occasionally 6 ft. Bay waters becoming a moderate chop. Nearshore waters becoming choppy. Visit weather.gov/key/marine for a more detailed marine forecast!

Small Craft Should Exercise Caution For Increasing Winds: All Waters, Except Florida Bay! TONIGHT... W-NW moderate breezes, becoming N-NE fresh breezes (Florida Bay: NW moderate breezes, becoming N-NE ~15 kts). Seas: Bay/Gulfside 2-3 ft; W of Marquesas 3-4 ft, occasionally 5 ft; Hawk Channel 1-2 ft; W of Cosgrove 3-4 ft, occasionally 5 ft; FL Straits 3-5 ft, occasionally 6 ft; SE Gulf 4-5 ft, occasionally 6 ft. Bay waters becoming a moderate chop. Nearshore waters becoming choppy. Visit weather.gov/key/marine for a more detailed marine forecast!